Answered

During the Early Middle Ages in Europe __________. a.cities increased in size b.trade with areas outside of Europe increased c.warfare frequently occurred d.population increased



Answer :

During the Early Middle Ages in Europe, warfare frequently occurred.  There were invasions by Vikings, Magyars, Germanic barbarians, and Muslims, and this caused war outbreaks.
c. Warfare frequently occurred. This period of tome is called the dark ages because of the lack of cultural and literary outputs, and disease breakouts.